diff --git a/setup.cfg b/setup.cfg
index 1f6bf66..bfaf68e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -61,7 +61,7 @@ dev =
     flake8-bugbear~=24.12.12
     flake8-docstrings~=1.7.0
     pep8-naming~=0.13.3
-    mypy~=1.14.1
+    mypy>=1.14.1,<1.19.0
     pydocstyle~=6.3.0
     coverage~=7.3.0
     pytest~=7.4.0